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The biggest gas-guzzlers of 2024: 'The Meanest List' is the opposite of greenest cars



In some circles — especially some automotive circles — bigger is better. This explains the Hummer, for example.

In its so-called “Meanest List” of a dozen models, the American Council for an Energy-Efficient Economy (ACEEE) makes no apologies for berating “the worst-performing mass market automobiles” sold in 2024 in the U.S. The most diminutive car on the list is a Chevy Corvette Z06.

At the top of this particular heap is the Mercedes-Benz AMG G63, a gas-powered SUV that the environmental agency says was “the worst-performing vehicle of the more than 1,200 models assessed by Greener Cars and has an annual fuel cost over $4,000.” Not to mention its MSRP of around $184,000.

Rank

Make & Model

Powertrain

Green
Score

MSRP

Estimated Annual
Fuel Cost*

1

Mercedes-Benz AMG G63

Gas

20

$184,000

$4,242

2

Ram 1500 TRX 4x4

Gas

22

$98,335

$3,819

3

Ford F150 Raptor R

Gas

24

$79,975

$3,777

4

Cadillac Escalade V

Gas

26

$152,295

$3,388

5

Dodge Durango SRT

Gas

26

$74,995

$3,332

6

Jeep Wrangler 4dr 4X4

Gas

27

$35,895

$3,260

7

Jeep Grand Wagoneer 4x4

Gas

28

$91,945

$3,058

8

Mercedes-Benz G550

Gas

28

$143,000

$3,186

9

GMC Hummer EV SUV

EV

29

$98,845

$1,746

10

GMC Sierra

Gas

29

$37,700

$3,069

11

Chevrolet Corvette Z06

Gas

30

$114,395

$3,169

12

Mercedes-Benz Maybach S680

Gas

30

$234,300

$3,031

*ACEEE analysis using EIA data of the annual cost of driving 15,000 miles

In terms of numbers, the dirty dozen of the meanest includes seven SUVs and three trucks. Lonely at the middle of the list is the sole electric, the GMC Hummer EV, which weighs in at 9,000 pounds. The council notes that “though EVs have lower emissions than similarly sized gasoline models, the Hummer demonstrates that size and efficiency, not just fuel source, are important factors in a car’s environmental impact.”

It’s also worth reminding prospective buyers that the average fuel cost of a vehicle on the “Greenest List” eats up only a fifth of the fuel cost of a vehicle on the Meanest List, “showing that greener options can also be more affordable.” The ACEEE also put out a "Greener List" of efficient gasoline and hybrid cars that don't require plugging in.

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